import axios from 'axios'
import { MessageBox, Message } from 'element-ui'
import store from '@/store'
import { getToken } from '@/utils/auth'

// create an axios instance
const service = axios.create({
    baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
    withCredentials: true, // send cookies when cross-domain requests
    timeout: 5000 // request timeout
})

// request interceptor
service.interceptors.request.use(
    config => {
        // do something before request is sent

        if (store.getters.token) {
            // let each request carry token
            // ['X-Token'] is a custom headers key
            // please modify it according to the actual situation
            config.headers['Authorization'] = 'Bearer ' + getToken()
        }
        return config
    },
    error => {
        // do something with request error
        console.log(error) // for debug
        return Promise.reject(error)
    }
)

// response interceptor
service.interceptors.response.use(
    /**
     * If you want to get http information such as headers or status
     * Please return  response => response
     */

    /**
     * Determine the request status by custom code
     * Here is just an example
     * You can also judge the status by HTTP Status Code
     */
    response => {
        /**
         * code:200,接口正常返回;
         */
        const res = response.data
            // console.log(res)
            // if (!res.code && response.status) res.code = response.status
        if (response.status >= 400) {
            // console.log(res)
            Message({
                    message: res.message,
                    type: 'error',
                    duration: 5 * 1000
                })
                // 根据服务端约定的状态码：5001:非法的token; 5002:其他客户端登录了; 5004:Token 过期了;
            if (res.code === 5001 || res.code === 5002 || res.code === 5004) {
                MessageBox.confirm('你已被登出，可以取消继续留在该页面，或者重新登录', '确定登出', {
                    confirmButtonText: '重新登录',
                    cancelButtonText: '取消',
                    type: 'warning'
                }).then(() => {
                    store.dispatch('user/resetToken').then(() => {
                        location.reload() // 为了重新实例化vue-router对象 避免bug
                    })
                })
            }
            return Promise.reject(new Error(res.message || 'Error'))
        } else { // res.code === 200,正常返回数据
            // console.log()
            console.log(res)
            return res
        }
    },
    error => {
        console.log('err' + error) // for debug
        Message({
            message: error.message,
            type: 'error',
            duration: 5 * 1000
        })
        return Promise.reject(error)
    }
)

export default service
